Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5260100 | Coating screws wtih sealant | — | 1993-11-09 |
| 5193958 | Coating of screws | — | 1993-03-16 |
| 4948319 | Screw/cap assemblies and their manufacture | George D. Hewison | 1990-08-14 |
| 4735025 | Slide mechanism for an improved bind-free, expandable structural frame | — | 1988-04-05 |
| 4619540 | Spring pivot joint for mannequin | Robert L. Day | 1986-10-28 |
| 4525099 | Connector for tubular frame members | — | 1985-06-25 |
| 4368818 | Cups for holding ingredients for drinks | Gonzalo D. Vidal-Meza | 1983-01-18 |
| 4191438 | Releasable coupling for display unit extension bar | — | 1980-03-04 |